CN217479010U - Arm support structure - Google Patents
Arm support structure Download PDFInfo
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- CN217479010U CN217479010U CN202220736833.4U CN202220736833U CN217479010U CN 217479010 U CN217479010 U CN 217479010U CN 202220736833 U CN202220736833 U CN 202220736833U CN 217479010 U CN217479010 U CN 217479010U
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- connecting rod
- rod
- leveling
- supporting seat
- joint
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Abstract
The utility model relates to an arm frame structure, which comprises a jacking component and a leveling component; the jacking assembly comprises a supporting seat, a first connecting rod and a second connecting rod; one end of the first connecting rod is connected with the supporting seat, and the other end of the first connecting rod is connected with the second connecting rod; a first joint pivot is arranged at the joint of the first connecting rod and the second connecting rod, and a second joint pivot is arranged at the other end of the second connecting rod; a first telescopic rod is arranged between the supporting seat and the first connecting rod, and a second telescopic rod is arranged between the first connecting rod and the second connecting rod; the leveling component comprises a first leveling rod and a second leveling rod, the first leveling rod is arranged between the supporting base and the first joint pivot, and the second leveling rod is arranged between the first joint pivot and the second joint pivot. The utility model discloses a replace leveling cylinder with two leveling poles, not only simple structure, convenient assembly has reduced the height after the cantilever crane shrink moreover, convenient transportation.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment technique and specifically relates to indicate an arm support structure.
Background
The high-altitude vehicle is a high-altitude operation machine, and is widely applied to the fields of engineering construction, industrial installation and the like due to good maneuverability and comfort.
The existing folding arm high-altitude vehicle in the market keeps the platform horizontal through the series connection of two leveling cylinders, and the arrangement of the form needs a certain space for placing the leveling cylinders, so that the overall dimension of the arm support is increased. The whole structure of the whole arm support is not only complex, but also has higher manufacturing cost; secondly, when the arm support finishes the action and withdraws, the height of the whole high-altitude vehicle is increased, and the vehicle cannot pass through certain height-limited road sections, so that the progress of the project is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the cantilever crane structure of overcoming the high-altitude vehicle in the prior art is complicated, and the collection height is higher, the problem of transportation difficulty, needs to design a cantilever crane structure, and simple structure makes things convenient for the collection and the transportation of cantilever crane.
In order to solve the technical problem, the utility model provides a cantilever crane structure, which comprises a jacking component and a leveling component;
the jacking assembly comprises a supporting seat, a first connecting rod and a second connecting rod; one end of the first connecting rod is connected with the supporting seat, and the other end of the first connecting rod is connected with the second connecting rod; a first joint pivot is arranged at the joint of the first connecting rod and the second connecting rod, and a second joint pivot is arranged at the other end of the second connecting rod;
a first telescopic rod is arranged between the supporting seat and the first connecting rod, and a second telescopic rod is arranged between the first connecting rod and the second connecting rod;
the leveling subassembly includes first leveling pole and second leveling pole, first leveling pole sets up between supporting seat and first joint pivot, the second leveling pole sets up between first joint pivot and second joint pivot.
In an embodiment of the present invention, an end of the second connecting rod connected to the second hinge is provided with a curved arc.
In an embodiment of the present invention, the first connecting rod includes two sub-connecting rods, two rotary supports are disposed between the sub-connecting rods, and the rotary supports are connected to the second telescopic rod.
In an embodiment of the present invention, two ends of the first telescopic rod are connected to the supporting base and the first connecting rod in a twisted manner; the second telescopic rod is connected with the rotating support and the second connecting rod in a twisted mode.
The utility model discloses an in the embodiment, all be provided with the connecting hole on first articulated pivot, second articulated pivot and the supporting seat, the both ends of first connecting rod, second connecting rod, first leveling pole and second leveling pole all are provided with the otic placode, all wear to be equipped with the round pin axle in the otic placode, the round pin axle with the connecting hole cooperation.
In an embodiment of the present invention, the first telescopic rod and the second telescopic rod are hydraulic cylinders.
The aerial working machine comprises the arm frame structure, a rotary platform and a manned platform, wherein the rotary platform is connected with the supporting seat, and the manned platform is connected with the second joint pivot.
In an embodiment of the present invention, the cylinder diameter of the hydraulic oil cylinder matches with the rated load of the aerial work machine.
Compared with the prior art, the technical scheme of the utility model have following advantage:
in the boom structure of the utility model, from the overall structure, the parallelogram formed by connecting the first connecting rod and the first leveling rod can ensure that the first joint hub is parallel to the ground; the parallelogram formed by connecting the second connecting rod and the second leveling rod ensures that the second joint pivot is parallel to the ground, so that the manned platform connected with the second joint pivot is parallel to the ground. Compared with the prior art, the first leveling rod and the second leveling rod replace the original leveling oil cylinder, the position occupied by the original leveling oil cylinder is saved, the height of the whole arm support structure in a storage state is reduced, and then the second telescopic rod is arranged between the first connecting rod and the second connecting rod, so that the space is saved compared with the original arrangement between the first center joint and the second connecting rod, and the labor is saved.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is another schematic view of the whole of the present invention;
fig. 3 is an overall side view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at I;
the specification reference numbers indicate: 1. a jacking assembly; 2. a leveling assembly; 3. a manned platform; 11. a supporting seat; 12. a first link; 13. a first articulation joint; 14. a second link; 15. a second articulation joint; 16. a first telescopic rod; 17. a second telescopic rod; 21. a first leveling rod; 22. a second leveling rod; 121. a sub-link; 122. and rotating the support.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Referring to fig. 1, the present invention discloses a device comprising: the lifting component 1 and the leveling component 2;
referring to fig. 2, the jacking assembly 1 comprises a supporting seat 11, a first connecting rod 12 and a second connecting rod 14; one end of the first connecting rod 12 is connected with the supporting seat 11, and the other end of the first connecting rod 12 is connected with the second connecting rod 14; a first joint hinge 13 is arranged at the joint of the first connecting rod 12 and the second connecting rod 14, and a second joint hinge 15 is arranged at the other end of the second connecting rod 14;
a first telescopic rod 16 is arranged between the supporting seat 11 and the first connecting rod 12, and a second telescopic rod 17 is arranged between the first connecting rod 12 and the second connecting rod 14;
the leveling assembly 2 comprises a first leveling rod 21 and a second leveling rod 22, the first leveling rod 21 is arranged between the support base 11 and the first articulation 13, and the second leveling rod 22 is arranged between the first articulation 13 and the second articulation 15.
It can be seen that in the jacking assembly 1, the first connecting rod 12 and the second connecting rod 14 form a large structure of the whole arm support, and the extending and folding actions of the whole arm support are completed through the driving of the first telescopic rod 16 and the second telescopic rod 17; specifically, the second telescopic rod 17 is disposed between the first link 12 and the second link 14, which reduces the height dimension of the first hinge 13 to a greater extent than that disposed between the first hinge 13 and the second link 14, and reduces the height of the entire boom in the folded state. Secondly, the leveling component 2 adopts two leveling rods to replace the original leveling oil cylinders, specifically, the first leveling rod 21 is arranged between the supporting seat 11 and the first joint pivot 13 and forms a parallelogram with the first connecting rod 12, so that the first joint pivot 13 is ensured to be parallel to the ground; the second leveling rod 22 is arranged between the first joint hinge 13 and the second joint hinge 15 and forms another parallelogram with the second connecting rod 14, so that the second joint hinge 15 is ensured to be parallel to the ground, the two leveling rods replace leveling cylinders, a complex oil circuit layout design is not needed, and the processing requirement is reduced. The parallel structure of the whole arm support structure and the ground is ensured, the space occupied by the leveling cylinder in the whole arm support is saved, and the height of the whole arm support in a folded state is lower.
Furthermore, a bending radian is arranged at one end of the second connecting rod 14 connected with the second articulation 15; it can be seen that, firstly, the second connecting rod 14 is designed into a curved radian, and under the same installation space, the installation space of the second telescopic rod 17 is larger, and meanwhile, the pressure of the second telescopic rod 17 can be reduced; secondly, both ends of the second joint hinge 15 are connected with the whole arm support structure and the manned platform 3, and one end of the second connecting rod 14 close to the second joint hinge 15 is bent, so that the height of the manned platform 3 can be reduced, and further, when the whole arm support is in a storage state, the whole height is lower.
Referring to fig. 3-4, further, the first connecting rod 12 includes two sub-connecting rods 121, a rotating support 122 is disposed between the two sub-connecting rods 121, and the rotating support 122 is connected to the second telescopic rod 17.
Specifically, in order to ensure the rigidity of the whole arm support, the first connecting rod 12 is two sub-connecting rods 121 arranged in parallel, a rotating support 122 is arranged between the two sub-connecting rods 121 and used for supporting the second telescopic rod 17, and when the whole arm support is in a contracted state, the position of the second telescopic rod 17 is between the two sub-connecting rods 121, so that the distance between the first connecting rod 12 and the second connecting rod 14 is reduced, and the height of the whole arm support is reduced.
Furthermore, the two ends of the first telescopic rod 16 are in twisted connection with the supporting seat 11 and the first connecting rod 12; the second telescopic rod 17 is in twisted connection with the rotating support 122 and the second connecting rod 14.
Specifically, the expansion and contraction of the first telescopic rod 16 and the second telescopic rod 17 determine the expansion and storage of the whole arm support, the two ends of the first telescopic rod 16 and the second telescopic rod 17 are connected in a twisted mode, the whole arm support is driven to move in a rotating mode, meanwhile, the arm support is convenient to store in a hinged mode, and the height of the whole arm support can be reduced to a greater extent.
Furthermore, the first articulation hinge 13, the second articulation hinge 15 and the supporting seat 11 are all provided with a connecting hole, the two ends of the first connecting rod 12, the second connecting rod 14, the first leveling rod 21 and the second leveling rod 22 are all provided with an ear plate, a pin shaft is arranged in the ear plate in a penetrating manner, and the pin shaft is matched with the connecting hole.
It can be seen that all parts of the whole arm support structure are connected in a shaft hole matching mode, and particularly, the pin shaft is arranged in the lug plate and the connecting hole in a penetrating mode, so that the assembly and the disassembly are convenient, and meanwhile, the parts are convenient to process.
Further, the first telescopic rod 16 and the second telescopic rod 17 are both hydraulic oil cylinders; specifically, a hydraulic oil cylinder is used as a driving source of the whole arm support structure, and the hydraulic oil cylinder is small in size and can bear large working pressure.
The aerial work machine further comprises a rotating platform and a manned platform 3, wherein the rotating platform is connected with a supporting seat 11, and the manned platform 3 is connected with a second joint pivot 15; the cylinder diameter of the hydraulic oil cylinder is matched with the rated load of the high-altitude operation machine.
The utility model discloses can utilize in high altitude construction machinery, specific for example: one end of the second joint hinge 15 is provided with the manned platform 3, and the whole arm support structure is used as a telescopic arm support of the high-altitude vehicle. Certainly, the rated load of the high-altitude vehicle needs to be matched with the cylinder diameter of the hydraulic oil cylinder, and the working pressure of the hydraulic oil cylinder meets the rated load of the whole high-altitude vehicle.
To sum up, the utility model discloses a cantilever crane structure replaces the level that leveling cylinder kept the platform through increasing leveling rod, has saved manufacturing cost, has reduced the requirement of machining precision to saved the space that leveling cylinder occupied, made whole cantilever crane structure highly lower after the shrink, convenient transportation. Secondly, the extension and the contraction of the whole boom structure are controlled by the extension and the contraction of two hydraulic cylinders, wherein a bent radian is arranged at one end of the second connecting rod 14 connected with the manned platform 3, the installation space of the second telescopic rod 17 is larger under the same installation space condition, the pressure of the second telescopic rod 17 can be obviously reduced, and the height of the boom is reduced to a certain extent. The utility model discloses simple structure, easy assembly to whole cantilever crane is high low under the contraction state, convenient transportation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (8)
1. An arm support structure, characterized by comprising: a jacking component and a leveling component;
the jacking assembly comprises a supporting seat, a first connecting rod and a second connecting rod; one end of the first connecting rod is connected with the supporting seat, and the other end of the first connecting rod is connected with the second connecting rod; a first joint pivot is arranged at the joint of the first connecting rod and the second connecting rod, and a second joint pivot is arranged at the other end of the second connecting rod;
a first telescopic rod is arranged between the supporting seat and the first connecting rod, and a second telescopic rod is arranged between the first connecting rod and the second connecting rod;
the leveling subassembly includes first leveling pole and second leveling pole, first leveling pole sets up between supporting seat and first joint pivot, the second leveling pole sets up between first joint pivot and second joint pivot.
2. The boom structure of claim 1, wherein: and a bending radian is arranged at one end of the second connecting rod connected with the second joint hinge.
3. The boom structure of claim 1, wherein: the first connecting rod comprises two sub-connecting rods, a rotary support is arranged between the two sub-connecting rods, and the rotary support is connected with the second telescopic rod.
4. The boom structure of claim 3, wherein: the two ends of the first telescopic rod are in twisted connection with the supporting seat and the first connecting rod; the second telescopic rod is in twisted connection with the rotating support and the second connecting rod.
5. The boom structure of claim 1, wherein: all be provided with the connecting hole on first joint pivot, the second joint pivot and the supporting seat, the both ends of first connecting rod, second connecting rod, first levelling rod and second levelling rod all are provided with the otic placode, all wear to be equipped with the round pin axle in the otic placode, the round pin axle with the connecting hole cooperation.
6. The boom structure of claim 1, wherein: the first telescopic rod and the second telescopic rod are both hydraulic oil cylinders.
7. An aerial work machine comprising a boom structure as claimed in any one of claims 1 to 6, characterized in that: the rotary platform is connected with the supporting seat, and the manned platform is connected with the second joint pivot.
8. The aerial work machine of claim 7 wherein: the cylinder diameter of the hydraulic oil cylinder is matched with the rated load of the high-altitude operation machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220736833.4U CN217479010U (en) | 2022-03-31 | 2022-03-31 | Arm support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220736833.4U CN217479010U (en) | 2022-03-31 | 2022-03-31 | Arm support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217479010U true CN217479010U (en) | 2022-09-23 |
Family
ID=83307266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220736833.4U Active CN217479010U (en) | 2022-03-31 | 2022-03-31 | Arm support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217479010U (en) |
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2022
- 2022-03-31 CN CN202220736833.4U patent/CN217479010U/en active Active
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